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The '''John D. and Catherine T. MacArthur Foundation''' is the 12th-largest private foundation in the United States. Based in Chicago, the Foundation supports non-profit organizations in approximately 50 countries. MacArthur reports that it has awarded more than US $5.5 billion since its first grants in 1978. According to the Foundation, it has an endowment of $6.5 billion and provides approximately $225 million annually in grants and program-related investments. The Foundation's stated aim is to support "creative people, effective institutions, and influential networks building a more just, verdant, and peaceful world." MacArthur's grant-making priorities include mitigating climate change and reducing prison populations. The Foundation sponsors the MacArthur Fellows Program, also referred to as “genius grants,” which are...
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Type| founded_date = 1970{{cite website|title=MacArthur Foundation: Our History|url=||accessdate=14 July 2015}}{{cite news|last1=Nicas|first1=Jack|title=The New Class of 'Geniuses'|url=|accessdate=12 June 2015|publisher=Wall Street Journal|date=September 20, 2011}}
Founder| location = Marquette Building (Chicago)|Marquette Building, Chicago, Illinois
Origins| key_people = John D. MacArthur (co-founder)
Catherine T. MacArthur (co-founder)
Area served| product =
FocusPublic policy, media (communication)|media, the arts
Method| revenue =
Endowment$6.5 billion (2014)
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